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Influence of microwave activation on the catalytic behavior of Pd-Au/C catalysts employed in the hydrodechlorination of tetrachloromethane
Polish Acad Sci, Inst Phys Chem, Warsaw, Poland.
Polish Acad Sci, Inst Phys Chem, Warsaw, Poland.
Silesian Tech Univ, Inst Engn Mat & Biomat, Gliwice, Poland.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Physical Chemistry. Polish Acad Sci, Inst Phys Chem, Warsaw, Poland.ORCID iD: 0000-0003-2124-9510
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2018 (English)In: Reaction Kinetics, Mechanisms and Catalysis, ISSN 1878-5190, E-ISSN 1878-5204, Vol. 124, no 1, p. 375-388Article in journal (Refereed) Published
Abstract [en]

This work investigates the influence of activation by microwave irradiation on the catalytic properties of Pd-Au/C-Sibunit catalysts in the hydrodechlorination of CCl4. Pd and Pd-Au samples were thoroughly characterized by CO chemisorption, X-ray diffraction, TPHD and STEM, and used in gas phase hydrodechlorination of tetrachloromethane. The studies showed that homogenous Pd-Au alloys are formed more efficiently if short-time microwave activation is applied instead of conventional activation by H-2 reduction at 380 A degrees C. These catalysts show higher activity, stability and higher selectivity towards the desired products (C1-C5 hydrocarbons) than the catalysts activated by conventional reduction in 10%H-2/Ar flow.

Place, publisher, year, edition, pages
2018. Vol. 124, no 1, p. 375-388
Keywords [en]
Microwave activation, Tetrachloromethane, Hydrodechlorination, Pd-Au alloys
National Category
Physical Chemistry
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URN: urn:nbn:se:uu:diva-353357DOI: 10.1007/s11144-018-1364-6ISI: 000430556600026OAI: oai:DiVA.org:uu-353357DiVA, id: diva2:1217063
Available from: 2018-06-12 Created: 2018-06-12 Last updated: 2018-06-12Bibliographically approved

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Sá, Jacinto

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